Diagnosing and Examining Otitis Externa
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Questions and Answers

Which of the following is NOT a characteristic of otitis externa?

  • Erythematous and edematous ear canal
  • Pain worse with manipulation of the tragus
  • Presence of air-fluid level along the tympanic membrane (correct)
  • Yellow, white, or gray debris in the ear canal

    • What is the main symptom of otitis externa?

  • Malaise
  • Fever greater than 101 F (38.3 C)
  • Pruritus and ear pain (correct)
  • Otorrhea and hearing loss

    • What is the treatment for uncomplicated otitis externa?

  • Topical antibiotic drops and pain control (correct)
  • Oral antibiotics
  • Intravenous fluids
  • Surgical intervention

    • Which type of medication is recommended for severe pain in otitis externa?

    <p>Opioids</p> Signup and view all the answers

    What is the main complication of otitis externa that occurs most commonly in immunocompromised patients and older patients with diabetes mellitus?

    <p>Malignant otitis externa</p> Signup and view all the answers

    What is the recommended treatment for malignant otitis externa?

    <p>Antibiotics with antipseudomonal coverage</p> Signup and view all the answers

    Which of the following is a recommended treatment for otitis externa?

    <p>Polymyxin B, neomycin, and hydrocortisone drops</p> Signup and view all the answers

    What is the main difference between mild to moderate pain and severe pain in otitis externa?

    <p>Severity of inflammation</p> Signup and view all the answers

    What is the main complication of otitis externa that can cause canal stenosis and hearing loss?

    <p>Osteomyelitis of the temporal bone</p> Signup and view all the answers

    Which type of antibiotic drops should be avoided if there is suspicion of tympanic membrane perforation?

    <p>Polymyxin B, neomycin, and hydrocortisone drops</p> Signup and view all the answers

    What is the main causative organism of malignant or necrotizing otitis externa?

    <p>Pseudomonas aeruginosa</p> Signup and view all the answers

    What is the recommended treatment for malignant otitis externa?

    <p>Antibiotics with antipseudomonal coverage</p> Signup and view all the answers

    What is the main complication associated with necrotizing otitis externa?

    <p>All of the above</p> Signup and view all the answers

    What is the recommended treatment for fungal etiology in otitis externa?

    <p>Topical antifungal agents</p> Signup and view all the answers

    What is the main symptom of malignant otitis externa that should raise suspicion?

    <p>Persistent pain despite treatment</p> Signup and view all the answers

    Which of the following is a key component of the physical examination for otitis externa?

    <p>Evaluation of the tympanic membrane</p> Signup and view all the answers

    What is the initial symptom experienced by patients with otitis externa?

    <p>Pruritus and ear pain</p> Signup and view all the answers

    What is the clinical presentation of otitis externa when the external ear canal is completely occluded from edema?

    <p>Intense pain, lymphadenopathy, and fever</p> Signup and view all the answers

    What is the mainstay of treatment for uncomplicated otitis externa?

    <p>Topical antibiotic drops and pain control</p> Signup and view all the answers

    What is the classification of otitis externa when the ear canal is partially occluded?

    <p>Moderate</p> Signup and view all the answers

    What is the suspected concomitant condition when there is evidence of an air-fluid level along the tympanic membrane?

    <p>Otitis media</p> Signup and view all the answers

    What are the systemic symptoms that suggest extension beyond the external ear canal in otitis externa?

    <p>Fever greater than 101 F (38.3 C) and malaise</p> Signup and view all the answers

    What is the characteristic finding on otoscopy in otitis externa?

    <p>Erythematous and edematous ear canal with associated debris</p> Signup and view all the answers

    What is the main symptom of otitis externa that is usually worse with manipulation of the tragus, pinna, or both?

    <p>Ear pain</p> Signup and view all the answers

    What is the recommended management for most patients diagnosed with otitis externa?

    <p>Outpatient management</p> Signup and view all the answers

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